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Finding the Fourth Proportional to 495,921.94, 684,447.06 and 302,441.88

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Solution

The fourth proportional to 495,921.94, 684,447.06 and 302,441.88 is: 417,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,921.94 : 684,447.06 = 302,441.88 : x
  2. Step 2: Convert to fraction form
    495,921.94/684,447.06 = 302,441.88/x
  3. Step 3: Cross multiply
    495,921.94x = 684,447.06 × 302,441.88
  4. Step 4: Simplify right side
    495,921.94x = 207,005,455,586.87
  5. Step 5: Solve for x
    x = 207,005,455,586.87/495,921.94
  6. Step 6: Final answer
    x = 417,415.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.